Sim ou Não II

Recording by Massaru.

Recording identifiers

ISRC
BCRK02400030
CopyrightID (CopyrightChains transaction hash)
0x287bc86e21dc0ec4480b39c6335befd65c07b0418a18756bd1a509b1ad8ccfb0
Copyright registration time
2026-06-05T11:14:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:bc17a45b320ca5096066dd4634693906472e234a7ca4c23fcf210b3dea14b3dc

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.